Highlighter pen



FIG. 1 is a frontal view of a highlighter pen in accordance with the present design.

FIG. 2 is a back view of the highlighter pen in accordance with the present design.

FIG. 3 is a left-side view of the highlighter pen in accordance with the present design.

FIG. 4 is a right-side view of the highlighter pen in accordance with the present design.

FIG. 5 is a top view of highlighter pen in accordance with the present design.

FIG. 6 is a bottom view of the highlighter pen in accordance with the present design; and,

FIG. 7 is a perspective view of the highlighter pen in accordance with the present design with a cap removed. 

CLAIM I claim the ornamental design for a highlighter pen, substantially as shown and described. 